Former Owner
- Madame Théophile Belin1
- Maggs Bros Ltd1
- Maksymilian Mielzynski1
- Marc-René de Voyer d'Argenson1
- Margaret Le Seigneur1
- Marguerite of Lorraine1
- Marion Lawrence1
- Matteo Luigi Canonici1
- Michel Chasles1
- Morot1
- Nicolas Fowle1
- Nicolas Yemeniz1
- Otto Orren Fisher1
- Paul Gottschalk1
- Pease, John William, 1820-19001
- Peter Arrell Brown Widener1
- Peter Arrell Brown Widener II2
- Philip Carteret Webb1
- Phyllis Walter Goodhart Gordan1
- Pierre Gélis-Didot1